The Search for Intelligent Life on Earth • 2020 • episode "7/13" Cosmos: Possible Worlds

Category: Astronomy
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A hidden underground network, a collaboration of four kingdoms of life, is revealed.

Cosmos: Possible Worlds • 2020 • 13 episodes •

Ladder to the Stars

An adventure spanning billions of years into the evolution of life.

2020 • Astronomy

The Fleeting Grace of the Habitable Zone

A long-term vision of humanity's future worlds is explored.

2020 • Astronomy

Lost City of Life

Explore the story behind the man who found the first clues to life's beginnings on Earth.

2020 • Astronomy

Vavilov

Nikolai Vavilov risked his life for a discovery that would change the history of science.

2020 • Astronomy

The Cosmic Connectome

An abandoned orphan's dream opens the way to understanding the architecture of thought.

2020 • Astronomy

The Man of a Trillion Worlds

A young Carl Sagan realizes his childhood dreams, carrying his mentors' research forward.

2020 • Astronomy

The Search for Intelligent Life on Earth

A hidden underground network, a collaboration of four kingdoms of life, is revealed.

2020 • Astronomy

The Sacrifice of Cassini

A scientist figures out how to go to the moon while fighting for his life in a war trench.

2020 • Astronomy

Magic Without Lies

The man who stumbled on a hole in the reality of quantum mechanics and the still-unfolding technology that made it possible.

2020 • Astronomy

A Tale of Two Atoms

How a deadly embrace between science and state altered the fate of the world, and a gripping cautionary tale of mass casualty and unlikely survival.

2020 • Astronomy

Shadows of Forgotten Ancestors

From the birth of the devil in ancient Persia, where a beloved family dog becomes a seething beast, to a searing story of saintliness among macaque monkeys, join an exploration into the human potential for change. One of history's greatest monsters is transformed into one of its shining lights.

2020 • Astronomy

Coming of Age in the Anthropocene

In what kind of world can a child born in 2020 expect to grow up? When did our slide into planetwide environmental destruction begin? Enter the possible world that awaits a 2020 baby in her twenties: one darkened by our refusal to confront the real and mounting challenges we face but one which still offers a message of hope.

2020 • Astronomy

Seven Wonders of the New World

A visit to the 2039 New York World's Fair, where intractable problems may have been solved.

2020 • Astronomy

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The Search for a New Earth

Planet Earth has been home to humankind for over 200,000 years, but with a population of 7.3 billion and counting and limited resources, this planet might not support us forever. Professor Stephen Hawking thinks the human species will have to populate a new planet within 100 years if it is to survive. With climate change, pollution, deforestation, pandemics and population growth, our own planet is becoming increasingly precarious.

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Secret History of Mercury

Mercury is a deadly world, facing attacks from the sun, comets, and other planets, and even though it's the smallest planet in the solar system, it has a dangerous secret a dangerous secret that might one day threaten life on Earth.

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Timelapse of the Entire Universe

On a cosmic time scale, human history is as brief as the blink of an eye. By compressing all 13.8 billion years of time into a 10 minute scale, this video shows just how young we truly are, and just how ancient and vast our universe is. Starting with the big bang and culminating in the appearance of homo sapiens, this experience follows the unfolding of time at 22 million years per second, adhering closely to current scientific understanding.

2018 • Astronomy

Mangalyaan: India's Mission to Mars

On the anniversary of the launch of one of the most successful space mission to Mars, the National Geographic Channel is set to premiere a documentary on the Mars Orbiter Mission (MOM) also known as Mangalyaan. The MOM, was launched on November 5 in 2013 by Indian Space Research Organisation (ISRO) and entered the orbit of the red planet on September 24, 2014. The documentary produced by Miditech captures its enthralling journey of over 650 million kilometeres. In its most daring missions to date, India successfully sent a spacecraft to orbit around Mars, making it the fourth space agency in the world and the first Asian country, to successfully send a mission to the red planet. And they did this in record time, choosing a unique route and on a shoe-string budget, pulling off what is now globally recognised as the cheapest ride to Mars! So how did the (ISRO) scientists, with no previous experience in sending an inter planetary mission, design, develop and successfully launch and navigate Mangalyaan through space? What were the hurdles they faced and what out of the box solutions did they come up with to address those challenges? Using a combination of live action, expert interviews, archive footage and graphic representations the film captures the tension and drama points of the space mission. The documentary also focus on the salient features of the mission, all the drama, excitement, last minute preparations, the countdown and the successful launch.

2017 • Astronomy

Distances

How do astronomers make sense out of the vastness of space? How do they study things so far away? Today Phil talks about distances, going back to early astronomy. Ancient Greeks were able to find the size of the Earth, and from that the distance to and the sizes of the Moon and Sun. Once the Earth/Sun distance was found, parallax was used to find the distance to nearby stars, and that was bootstrapped using brightness to determine the distances to much farther stars.

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Harmony of the Worlds

Beginning with the separation of the fuzzy thinking and pious fraud of astrology from the careful observations of astronomy, Sagan follows the development of astronomical observation. Beginning with constellations and ceremonial calendars (such as those of the Anasazi), the story moves to the debate between Earth and Sun-centered models: Ptolemy and the geocentric worldview, Copernicus' theory, the data-gathering of Tycho Brahe, and the achievements of Johannes Kepler (Kepler's laws of planetary motion and the first science-fiction novel).

3/13Cosmos: A Personal Voyage • 1980 • Astronomy